Central Locking System - Troubleshooting
Group: 57Number: 93-01
Date: January 31, 1993
Subject:
Central locking system, troubleshooting
Model(s):
Passat
From 1990 m.y.
The following Central locking system troubleshooting procedure is new. The pages are formatted for the Passat Repair Manual and will be integrated during the next Microfiche update.
Central locking system, troubleshooting
Note
Always refer to appropriate wiring diagram.
Tools required
^ Multimeter Fluke 83
^ Connector Test Kit VW 1594
CAUTION
DO NOT damage, enlarge or bend connector terminals or cavities by forcing probes into them when performing electrical checks. Use Connector Test Kit VW 1594 to make the necessary electrical connections.
Test conditions
^ battery OK
^ fuse S 16 OK
^ fuse S 21 OK
^ vacuum system OK, see section 57-210
Note
If one or more locks do not open or close, check if the vacuum pump remains on longer than 5 seconds, then pumps again after a short time. If so, there is a leak in the vacuum system which must be eliminated prior to troubleshooting.
Troubleshooting Chart